撰文地址：http://hypercube1024.iteye.com/blog/767042
由于terracotta肩负着保存session的重任，如果一旦down掉，所有的用户session将会丢失，所以terracotta要做ha。 terracotta集群配置也非常简单 1, 创建一个tc-config.xml文件，如下
<?xml version="1.0" encoding="UTF-8"?> <!-- All content copyright Terracotta, Inc., unless otherwise indicated. All rights reserved. --> <tc:tc-config xsi:schemaLocation="http://www.terracotta.org/schema/terracotta-5.xsd" xmlns:tc="http://www.terracotta.org/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <servers> <!-- Sets where the Terracotta server can be found. Replace the value of host with the server's IP address. --> <server host="10.192.33.93" name="Server1"> <data>%(user.home)/terracotta/server-data</data> <logs>%(user.home)/terracotta/server-logs</logs> </server> <!-- If using a standby Terracotta server, also referred to as an ACTIVE-PASSIVE configuration, add the second server here. --> <server host="10.192.33.94" name="Server2"> <data>%(user.home)/terracotta/server-data</data> <logs>%(user.home)/terracotta/server-logs</logs> </server> <server host="192.168.1.100" name="Server3"> <data>%(user.home)/terracotta/server-data</data> <logs>%(user.home)/terracotta/server-logs</logs> </server> <server host="192.168.1.101" name="Server4"> <data>%(user.home)/terracotta/server-data</data> <logs>%(user.home)/terracotta/server-logs</logs> </server> <!-- If using more than one server, add an <ha> section. --> <ha> <mode>networked-active-passive</mode> <networked-active-passive> <election-time>5</election-time> </networked-active-passive> </ha> </servers> <!-- Sets where the generated client logs are saved on clients. --> <clients> <logs>%(user.home)/terracotta/client-logs</logs> </clients> </tc:tc-config>
2,加载配置文件，运行命令tim-get.sh upgrade <tc-config.xml-path>/tc-config.xml 3,启动TCserver需要增加 -n 参数 ./start-tc-server.sh -n Server2 &
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